c# DataGridView 的一些属性设置，序号，合并头

this.dataGridView1.DataSource = this.dISASTERBindingSource;

this.dataGridView1.Location = new System.Drawing.Point(0, 0);

this.dataGridView1.Name = "dataGridView1" ;

this.dataGridView1.RowTemplate.Height = 30;

this.dataGridView1.Size = new System.Drawing.Size(773, 343);

this.dataGridView1.TabIndex = 0;

this.dataGridView1.CellContentClick += new System.Windows.Forms.DataGridViewCellEventHandler (this.dataGridView1_CellContentClick);

this.dataGridView1.CellEndEdit += new System.Windows.Forms.DataGridViewCellEventHandler (this.dataGridView1_endEdit);

this.dataGridView1.AllowUserToResizeColumns = false;

this.dataGridView1.AllowUserToResizeRows = false;

/*

* 设置最后边的背景色

* */

this.dataGridView1.BackgroundColor = System.Drawing.Color.FromArgb(240, 240, 240);

/**

*设置表头的高度 、对齐方式、颜色

**/

this.dataGridView1.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode .DisableResizing;

this.dataGridView1.ColumnHeadersHeight = 40;

this.dataGridView1.ColumnHeadersDefaultCellStyle.Alignment = System.Windows.Forms.DataGridViewContentAlignment .MiddleCenter;

this.dataGridView1.RowHeadersDefaultCellStyle.Alignment = System.Windows.Forms.DataGridViewContentAlignment .MiddleCenter;

this.dataGridView1.EnableHeadersVisualStyles = false;

this.dataGridView1.ColumnHeadersDefaultCellStyle.BackColor = System.Drawing.Color.YellowGreen;

this.dataGridView1.ColumnHeadersDefaultCellStyle.ForeColor = System.Drawing.Color.BlueViolet;

/**

*设置第一列不可编辑

**/

this.dataGridView1.Columns[0].ReadOnly = true;

/**

*设置表格外边框样式

**/

this.dataGridView1.BorderStyle = System.Windows.Forms.BorderStyle.None;

/**

*设置表格内部的线条颜色

**/

this.dataGridView1.GridColor = System.Drawing.Color.WhiteSmoke;

/**

*去掉最后一行

**/

this.dataGridView1.AllowUserToAddRows = false;

/**

*左侧标题栏隐藏

**/

this.dataGridView1.RowHeadersVisible = false;

/**

*设置选中单元的背景色和字体颜色

**/

this.dataGridView1.DefaultCellStyle.SelectionBackColor = System.Drawing.Color.White;

this.dataGridView1.DefaultCellStyle.SelectionForeColor = System.Drawing.Color.Black;

/**

*竖直方向填充满datagridview

**/

this.dataGridView1.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode .Fill;

/**

*带链接的列

**/

private System.Windows.Forms. DataGridViewLinkColumn editColumn;

this.editColumn.LinkColor = System.Drawing.Color.Blue;

this.editColumn.UseColumnTextForLinkValue = true;

this.editColumn.Text = "修改" ;

this.editColumn.HeaderText = "编辑" ;

this.editColumn.Name = "editColumn" ;

this.editColumn.DefaultCellStyle.Alignment = System.Windows.Forms.DataGridViewContentAlignment .MiddleCenter;

　　//datagridview前面加序号 直接在方法rowpostpaint中添加dataGridView_RowPostPaint这个方法就可以了 需要把rowheadervisible改为true

private void dataGridView_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)

{

SetDataGridViewRowXh(e, sender as DataGridView);

}

private void SetDataGridViewRowXh(DataGridViewRowPostPaintEventArgs e, DataGridView dataGridView)

{

SolidBrush solidBrush = new SolidBrush(dataGridView.RowHeadersDefaultCellStyle.ForeColor);

int xh = e.RowIndex + 1;

e.Graphics.DrawString(xh.ToString(CultureInfo.CurrentUICulture), e.InheritedRowStyle.Font, solidBrush, e.RowBounds.Location.X + 5, e.RowBounds.Location.Y + 4);

}

#region 重绘datagridview表头

DataGridView dgv = (DataGridView )(sender);

if (e.RowIndex == -1 && (e.ColumnIndex == 1 || e.ColumnIndex == 2))

{

//e.CellStyle.Font = new Font(dataGridView1.DefaultCellStyle.Font, FontStyle.Bold);

//e.CellStyle.WrapMode = DataGridViewTriState.True;

if (e.ColumnIndex == 1)

{

top = e.CellBounds.Top;

left = e.CellBounds.Left;

height = e.CellBounds.Height;

width1 = e.CellBounds.Width;

}

int width2 = this .dataGridView1.Columns[2].Width;

Rectangle rect = new Rectangle(left, top, width1 + width2, e.CellBounds.Height);

using (Brush backColorBrush = new SolidBrush(e.CellStyle.BackColor))

{

//抹去原来的cell背景

e.Graphics.FillRectangle(backColorBrush, rect);

}

using (Pen gridLinePen = new Pen(dgv.GridColor))

{

//画表头的左、上、右、下边线

//e.Graphics.DrawLine(gridLinePen, left, top , left, top + height);

e.Graphics.DrawLine(gridLinePen, left, top , left + width1 + width2-1, top );

e.Graphics.DrawLine(gridLinePen, left + width1 + width2 - 1, top, left + width1 + width2 - 1, top + height-2);

e.Graphics.DrawLine( new Pen (Color.FromArgb(160, 160, 160)), left, top + height - 1, left + width1 + width2-1, top + height - 1);

//计算绘制字符串的位置

string columnValue = "编辑" ;

SizeF sf = e.Graphics.MeasureString(columnValue, e.CellStyle.Font);

float lstr = (width1 + width2 - sf.Width) / 2;

float rstr = (height - sf.Height) / 2;

//画出文本框

if (columnValue != "" )

{

e.Graphics.DrawString(columnValue, e.CellStyle.Font,

new SolidBrush (e.CellStyle.ForeColor),

left + lstr,

top + rstr,

StringFormat.GenericDefault);

}

}

e.Handled = true;

}

#endregion